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1333128-00-9

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1333128-00-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333128-00-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,1,2 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1333128-00:
(9*1)+(8*3)+(7*3)+(6*3)+(5*1)+(4*2)+(3*8)+(2*0)+(1*0)=109
109 % 10 = 9
So 1333128-00-9 is a valid CAS Registry Number.

1333128-00-9Downstream Products

1333128-00-9Relevant articles and documents

Direct C5-arylation reaction between imidazoles and aryl chlorides catalyzed by palladium complexes with phosphines and N-heterocyclic carbenes

Kumar, P. Vijaya,Lin, Wu-Shien,Shen, Jiun-Shian,Nandi, Debkumar,Lee, Hon Man

, p. 5160 - 5169 (2011/11/14)

Palladium(II) acetate complexes bearing phosphines and carbene ligands, Pd(L)(PR3)(OAc)2 (1a, R = Ph; 1b, R = Cy; L = 1,3-dibenzylimidazol-2-ylidene), were prepared by salt metathesis reactions of their chloro complexes with AgOAc in good yields. The electron-rich 1b was efficient in catalyzing C-5 direct arylation of imidazoles with aryl halides. Most significantly, the catalytic system allows a range of aryl chlorides as substrates. Microwave irradiation effectively promotes the reactions, with good yields obtainable in only 2 h. In combination with the classical method of C-C bond formation reactions, novel imidazole derivatives featuring biaryl and styryl subunits were successfully obtained from 1,4-dichlorobenzene and 1-bromo-4-chlorobenzene.

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